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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/msw/dcmemory.h | |
3 | // Purpose: wxMemoryDC class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // Copyright: (c) Julian Smart | |
8 | // Licence: wxWindows licence | |
9 | ///////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifndef _WX_DCMEMORY_H_ | |
12 | #define _WX_DCMEMORY_H_ | |
13 | ||
14 | #include "wx/dcmemory.h" | |
15 | #include "wx/msw/dc.h" | |
16 | ||
17 | class WXDLLIMPEXP_CORE wxMemoryDCImpl: public wxMSWDCImpl | |
18 | { | |
19 | public: | |
20 | wxMemoryDCImpl( wxMemoryDC *owner ); | |
21 | wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap ); | |
22 | wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc ); // Create compatible DC | |
23 | ||
24 | // override some base class virtuals | |
25 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); | |
26 | virtual void DoGetSize(int* width, int* height) const; | |
27 | virtual void DoSelect(const wxBitmap& bitmap); | |
28 | ||
29 | virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const | |
30 | { return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmapOfHDC(*subrect, GetHDC() );} | |
31 | ||
32 | protected: | |
33 | // create DC compatible with the given one or screen if dc == NULL | |
34 | bool CreateCompatible(wxDC *dc); | |
35 | ||
36 | // initialize the newly created DC | |
37 | void Init(); | |
38 | ||
39 | DECLARE_CLASS(wxMemoryDCImpl) | |
40 | wxDECLARE_NO_COPY_CLASS(wxMemoryDCImpl); | |
41 | }; | |
42 | ||
43 | #endif | |
44 | // _WX_DCMEMORY_H_ |